Dirt Bike Air and Fuel
Dirt Bike Air & Fuel Systems at JJ Motorsports
Optimize your bike’s performance with high-quality air and fuel components from JJ Motorsports. Browse air filters, carburetors, and fuel system parts engineered to deliver clean airflow and a consistent fuel mix for peak efficiency. Ensure your bike runs smoothly by pairing these with other essential off-road dirt bike accessories.
Shop trusted brands like Motion Pro for cables and Uni Filter for high-flow filters. Explore related categories such as Dirt Bike Engine Parts for rebuilds or Dirt Bike Exhaust for complete tuning.
Top Dirt Bike Air & Fuel Products
- MOTION PRO Clutch Cable - Honda - Black Vinyl 02-0603 – Nylon-lined for smooth operation and OEM fit.
- UNI FILTER Filter - GS550/650 Miscellaneous NU-2439 – High-flow foam for better air intake and easy cleaning.
- MIKUNI Main Jet - 4-Pack N100604-1025 – Precision jets for VM16, HS40, HSR42/45/48 carbs.
- DYNOJET Power Vision 3 - Yamaha PV3-22-16 – Flash tunes with real-time data display for Yamaha models.
- UNI FILTER Filter - GS650G/GL/M NU-2440 – Precision fit with indefinite service life for Suzuki GS models.
Browse our in-stock inventory below with same-day shipping and expert support. Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
MIKUNI Flat Slide Carburetor - 34mm TM34-2
MIKUNI
$229.00Flat slide design helps create a smooth bore effect, increasing air flow, Significant performance improvements over older round slide carbs, Great throttle response because of more precise fuel metering, All are center-pull style throttle, unless noted...TM34- SKU:
- TM34
- Availability:
- Ships Same Business Day
- Weight:
- 1.44 LBS
- NEEDLE JET:
- Q-2 (389 SERIES)
- SLIDE CUTAWAY:
- -
- STYLE:
- FLAT SLIDE
- AIR JET:
- NONE
- NEEDLE VALVE:
- 4.0
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- SPIGOT MOUNTING OUTSIDE DIAMETER:
- 40
- UNITS:
- EACH
- PRODUCT NAME:
- CARBURETOR CENTER PULL
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- CARBURETOR SIZE METRIC:
- 34.00 MM
- MAIN JET:
- 280 (4/042)
- NEEDLE:
- 5FP17
- PILOT JET:
- 50 (VM22/210)
$229.00Qty in Cart: 0Quantity:Price:$229.00Subtotal: -
MIKUNI Pilot Jet #40 4-Pack VM22/210-40
MIKUNI
$5.20These genuine Mikuni pilot jets fit all VM, TM and aftermarket TMX carbs, Sold to dealer 4-pack; sold to consumer as each, Made in JapanKM540- SKU:
- KM540
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- COLOR/FINISH:
- BRASS
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- BRASS
- HEAD DIAMETER METRIC:
- 4.00 MM
- JET SIZE:
- 40
- OVERALL LENGTH METRIC:
- 14.00 MM
- RIDING STYLE:
- STREET
- TYPE:
- PILOT
- MATERIAL:
- BRASS
- FEATURES:
- FOR VM CARBURETORS
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- UNITS:
- 4 PACK
$5.20Qty in Cart: 0Quantity:Price:$5.20Subtotal: -
MIKUNI Super BN Series Pilot Jet - 4-Pack N100606-60
MIKUNI
$5.20Sold to dealers 4 per pack; sold to consumer as each, Made in JapanKN10060660- SKU:
- KN10060660
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- JET SIZE:
- 60
- UNITS:
- 4 PACK
- MODEL:
- MIKUNI
- PRODUCT NAME:
- JET
- RIDING STYLE:
- WATERCRAFT
- TYPE:
- PILOT
$5.20 -
MIKUNI BSR Series Air Cut-Off Valve Assembly MK-405
MIKUNI
$22.99Rebuild kit for air cutoff valves on Mikuni BSR33 and BSR42 carburetors, Kit includes an aluminum cover, diaphragm, springs and screw, Made in Japan10030416- SKU:
- 10030416
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- UTV
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- PRODUCT NAME:
- REPAIR KIT
- TYPE:
- AIR CUT-OFF
- RIDING STYLE:
- ATV
$22.99 -
K & N Air Filter - XR100/TRX90 HA-1088
K & N
$86.99Fits directly into OEM airbox with application specific Sealing Bead to ensure a precise fit, Fuel-management modifications are not required for increased performance, Pleated media provides a large filtration area offering long service intervals,...HA1088- SKU:
- HA1088
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- COLOR/FINISH:
- BLACK
- MOUNTING FLANGE/INSIDE DIAMETER IMPERIAL:
- 1.938'
- FILTER HEIGHT IMPERIAL:
- 3.00'
- FILTER SHAPE:
- ROUND
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- BASE COLOR:
- BLACK
- FILTER MEDIA MATERIAL:
- COTTON GAUZE
- FLANGE POSITION:
- NONE
- MODEL:
- HIGH-FLOW
- COLOR/FINISH:
- RED
- FEATURES:
- WASHABLE
$86.99 -
SHINDY Carburetor Repair Kit - Kawasaki 03-117
SHINDY
$32.60Award winning rubber-top float valves are made using the highest quality rubber and a plated body for resistance to harsh gas, ethanol and methanol, The jets included in each kit are for common sizes; according to riding conditions and riding preference,...10031034- SKU:
- 10031034
- Availability:
- Ships Same Business Day
- Weight:
- 15.10 LBS
- RIDING STYLE:
- ATV
- BASE COLOR:
- BLACK
- PRODUCT NAME:
- REPAIR KIT
- COLOR/FINISH:
- BLACK
- TYPE:
- CARBURETOR
- UNITS:
- KIT
$32.60 -
SHINDY Carburetor Repair Kit - Polaris 03-409
SHINDY
$30.50Award winning rubber-top float valves are made using the highest quality rubber and a plated body for resistance to harsh gas, ethanol and methanol, The jets included in each kit are for common sizes; according to riding conditions and riding preference,...10031102- SKU:
- 10031102
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- UNITS:
- KIT
- BASE COLOR:
- BLACK
- PRODUCT NAME:
- REPAIR KIT
- COLOR/FINISH:
- BLACK
- TYPE:
- CARBURETOR
- RIDING STYLE:
- ATV
$30.50 -
SHINDY Carburetor Repair Kit - Polaris 03-411
SHINDY
$30.80Award winning rubber-top float valves are made using the highest quality rubber and a plated body for resistance to harsh gas, ethanol and methanol, The jets included in each kit are for common sizes; according to riding conditions and riding preference,...10031104- SKU:
- 10031104
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- BASE COLOR:
- BLACK
- PRODUCT NAME:
- REPAIR KIT
- COLOR/FINISH:
- BLACK
- UNITS:
- KIT
- RIDING STYLE:
- ATV
- TYPE:
- CARBURETOR
$30.80 -
SHINDY Carburetor Repair Kit - Polaris 03-412
SHINDY
$38.30Award winning rubber-top float valves are made using the highest quality rubber and a plated body for resistance to harsh gas, ethanol and methanol, The jets included in each kit are for common sizes; according to riding conditions and riding preference,...10031105- SKU:
- 10031105
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- ATV
- UNITS:
- KIT
- BASE COLOR:
- BLACK
- PRODUCT NAME:
- REPAIR KIT
- TYPE:
- CARBURETOR
$38.30 -
SHINDY Carburetor Repair Kit - Polaris 03-413
SHINDY
$32.60Award winning rubber-top float valves are made using the highest quality rubber and a plated body for resistance to harsh gas, ethanol and methanol, The jets included in each kit are for common sizes; according to riding conditions and riding preference,...10031106- SKU:
- 10031106
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- BASE COLOR:
- BLACK
- RIDING STYLE:
- ATV
- UNITS:
- KIT
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- REPAIR KIT
- TYPE:
- CARBURETOR
$32.60 -
SHINDY Carburetor Repair Kit - Polaris 03-416
SHINDY
$38.30Award winning rubber-top float valves are made using the highest quality rubber and a plated body for resistance to harsh gas, ethanol and methanol, The jets included in each kit are for common sizes; according to riding conditions and riding preference,...10031109- SKU:
- 10031109
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- BASE COLOR:
- BLACK
- RIDING STYLE:
- ATV
- TYPE:
- CARBURETOR
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- REPAIR KIT
- UNITS:
- KIT
$38.30 -
MIKUNI Needle and Seat 786-46001-3.0
MIKUNI
$24.15Genuine Mikuni needle and seat assemblies provide reliable performance, Check application and size of needle and seat assembly before ordering, Made to the highest standards, Made in Japan7864600130- SKU:
- 7864600130
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
$24.15 -
MIKUNI Needle and Seat 786-46001-3.3
MIKUNI
$24.15Genuine Mikuni needle and seat assemblies provide reliable performance, Check application and size of needle and seat assembly before ordering, Made to the highest standards, Made in Japan7864600133- SKU:
- 7864600133
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
$24.15 -
MIKUNI Needle and Seat 786-46001-3.5
MIKUNI
$24.15Genuine Mikuni needle and seat assemblies provide reliable performance, Check application and size of needle and seat assembly before ordering, Made to the highest standards, Made in Japan7864600135- SKU:
- 7864600135
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
$24.15 -
MIKUNI Jet Needle J8-7DH02
MIKUNI
$10.50Fitments include several Mikuni VM model and some OE Mikuni carburetors, Jet needles control the fuel mixture in the mid-range throttle position, Some jet needles don't have measurements provided by Mikuni, Use charting to verify dimensions in...7DH2- SKU:
- 7DH2
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- MODEL:
- J8-7DH02
- PRODUCT NAME:
- JET
- RIDING STYLE:
- UTV
- TYPE:
- NEEDLE
$10.50Qty in Cart: 0Quantity:Price:$10.50Subtotal: -
MIKUNI Jet Needle J8-7DH03
MIKUNI
$10.50Fitments include several Mikuni VM model and some OE Mikuni carburetors, Jet needles control the fuel mixture in the mid-range throttle position, Some jet needles don't have measurements provided by Mikuni, Use charting to verify dimensions in...7DH3- SKU:
- 7DH3
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- TYPE:
- NEEDLE
- MODEL:
- J8-7DH03
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
$10.50 -
MIKUNI Jet Needle J8-7DH05
MIKUNI
$10.50Fitments include several Mikuni VM model and some OE Mikuni carburetors, Jet needles control the fuel mixture in the mid-range throttle position, Some jet needles don't have measurements provided by Mikuni, Use charting to verify dimensions in...7DH5- SKU:
- 7DH5
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- PRODUCT NAME:
- JET
- TYPE:
- NEEDLE
- MODEL:
- J8-7DH05
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
$10.50 -
MIKUNI Main Jet - #150 - 4-Pack N102221-150
MIKUNI
$5.20Check dimensions before ordering, For CV and Power Jet carburetors as well as other OE applications that originally came with a N102.221 main jet, Sold to dealer in 4-pack, Made in JapanKN102221150- SKU:
- KN102221150
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- JET
- TYPE:
- MAIN
- UNITS:
- 4 PACK
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- JET SIZE:
- 150
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- MATERIAL:
- BRASS
- MODEL:
- MIKUNI
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- WATERCRAFT
$5.20 -
MIKUNI Main Jet - #152.5 - 4-Pack N102221-1525
MIKUNI
$5.20Check dimensions before ordering, For CV and Power Jet carburetors as well as other OE applications that originally came with a N102.221 main jet, Sold to dealer in 4-pack, Made in JapanKN1022211525- SKU:
- KN1022211525
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MATERIAL:
- BRASS
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- MIKUNI
- RIDING STYLE:
- WATERCRAFT
- JET SIZE:
- 152.5
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- TYPE:
- MAIN
- UNITS:
- 4 PACK
$5.20 -
MIKUNI Main Jet - #155 - 4-Pack N102221-155
MIKUNI
$5.20Check dimensions before ordering, For CV and Power Jet carburetors as well as other OE applications that originally came with a N102.221 main jet, Sold to dealer in 4-pack, Made in JapanKN102221155- SKU:
- KN102221155
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- RIDING STYLE:
- WATERCRAFT
- MODEL:
- MIKUNI
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ATV
- TYPE:
- MAIN
- JET SIZE:
- 155
- MATERIAL:
- BRASS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- 4 PACK
$5.20